import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'
NProgress.configure({
    showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
    // start progress bar
    NProgress.start()
    // set page title
    document.title = getPageTitle(to.meta.title)
    // determine whether the user has logged in
    const hasToken = getToken()
    if (hasToken) {
        if (to.path === '/login') {
            // if is logged in, redirect to the home page
            next({ path: '/' })
            NProgress.done()
        } else {
            if (!store.getters.roles || store.getters.roles.length === 0) {
                store.dispatch('user/GetInfo').then(res => { // 拉取用户信息
                    next()
                }).catch((err) => {
                    store.dispatch('FedLogOut').then(() => {
                        Message.error(err || 'Verification failed, please login again')
                        next({ path: '/' })
                    })
                })
            } else {
                next()
            }
        }
    } else {
        /* has no token*/

        if (whiteList.indexOf(to.path) !== -1) {
            // in the free login whitelist, go directly
            next()
        } else {
            // other pages that do not have permission to access are redirected to the login page.
            // next(`/login?redirect=${to.path}`)
            next(`/login`)
            NProgress.done()
        }
    }
})

router.afterEach(() => {
    // finish progress bar
    NProgress.done()
})
